3xX-9=

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Solution for 3xX-9= equation:


3xx-9=0

We simplify the equation to the form, which is simple to understand 
3x-9=0

We move all terms containing x to the left and all other terms to the right. 
+3x=0+9

We simplify left and right side of the equation. 
+3x=+9

We divide both sides of the equation by 3 to get x. 
x=3

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